Retrofit audio 50 aps antenna problem HELP!

[Zizig]

I have installed audio 50 aps and fakra gps aftermark antenna on my w212 but now i have a problem gps antenna don't find signal. What shoud i do?
Link for gps antenna: http://www.ebay.com/itm/GPS-antenne...80421316?pt=Kabel_Stecker&hash=item337f6164c4

Thanks for help

 

[AMGeed]

Contact the guys at Comand Online as they have the expertise with these systems.

Mercedes Comand Navigation and Audio Specialists